函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\bfq-iosched.c Create Date:2022-07-27 19:34:36
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:bfq_low_latency_store

函数原型:static ssize_t bfq_low_latency_store(struct elevator_queue *e, const char *page, size_t count)

返回类型:ssize_t

参数:

类型参数名称
struct elevator_queue *e
const char *page
size_tcount
6745  bfqd等于elevator_data
6749  ret等于bfq_var_store( & __data, (page))
6750  如果ret则返回:ret
6753  如果__data大于1则__data等于1
6755  如果__data恒等于0且 if set to true, low-latency heuristics are enabled 不等于0则bfq_end_wr(bfqd)
6757  if set to true, low-latency heuristics are enabled 等于__data
6759  返回:count